from flask import current_app
from flask import g, jsonify
from flask import redirect
from flask import request

from info import constants, db
from info.models import Category, News
from info.utils.common import user_login_data
from info.utils.image_storage import storage
from info.utils.response_code import RET
from . import profile_blu
from flask import render_template


@profile_blu.route('/news_list')
@user_login_data
def user_news_list():

    # 获取参数
    page = request.args.get("p", 1)

    # 判断参数
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    user = g.user
    news_list = []
    current_page = 1
    total_page = 1
    try:
        paginate = News.query.filter(News.user_id == user.id ).paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        news_list = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    news_dict_li = []
    for news in  news_list:
        news_dict_li.append(news.to_review_dict())

    data = {
        "news_list": news_dict_li,
        "total_page": total_page,
        "current_page": current_page,
    }

    return render_template('news/user_news_list.html', data=data)


@profile_blu.route('/news_release', methods=['GET', 'POST'])
@user_login_data
def news_release():
    if request.method == "GET":
        # 加载新闻分类数据
        categories = []
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)

        category_dict_li = []
        for category in categories:
            category_dict_li.append(category.to_dict())

        # 移除分类 最新
        category_dict_li.pop(0)

        return render_template("news/user_news_release.html", data={"categories": category_dict_li})

    # 1. 获取要提交的数据
    # 标题
    title = request.form.get("title")
    source = "个人发布"
    digest = request.form.get("digest")
    content = request.form.get("content")
    category_id = request.form.get("category_id")
    index_image = request.files.get("index_image")

    if not all([title, source, digest, content, category_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    try:
        category_id = int(category_id)
    except Exception as e:
        current_app.logger(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    # 3.取到图片，将图片上传到七牛云
    try:
        index_image_data = index_image.read()
        key = storage(index_image_data)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    new = News()
    new.user_id = g.user.id
    new.category_id = category_id
    new.source = source
    new.digest = digest
    new.content = content
    new.index_image_url = constants.QINIU_DOMIN_PREFIX + key
    new.title = title
    new.status = 1

    try:
        db.session.add(new)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="数据保存失败")

    return jsonify(errno=RET.OK, errmsg="OK")


@profile_blu.route('/collection')
@user_login_data
def user_collection():
    # 获取参数
    page = request.args.get("p", 1)

    # 判断参数
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

        # 查询用户指定页数的收藏的新闻
    user = g.user

    news_list = []
    total_page = 1
    current_page = 1
    try:
        paginate = user.collection_news.paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        current_page = paginate.page
        total_page = paginate.pages
        news_list = paginate.items
    except Exception as e:
        current_app.logger.error(e)

    news_dict_li = []
    for news in news_list:
        news_dict_li.append(news.to_basic_dict())

    data = {
        "total_page": total_page,
        "current_page": current_page,
        "collections": news_dict_li
    }
    return render_template('news/user_collection.html', data=data)


@profile_blu.route('/pass_info', methods=['GET', 'POST'])
@user_login_data
def pass_info():
    if request.method == "GET":
        return render_template('news/user_pass_info.html')

    # 1. 获取参数
    old_password = request.json.get("old_password")
    news_password = request.json.get("new_password")

    # 2. 校验参数
    if not all([old_password, news_password]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    # 3. 判断旧密码是否正确
    user = g.user
    if not user.check_password(old_password):
        return jsonify(errno=RET.PWDERR, errmsg="原密码错误")

    # 4. 设置新密码
    user.password = news_password

    return jsonify(errno=RET.OK, errmsg="保存成功")


@profile_blu.route('/pic_info', methods=['GET', 'POST'])
@user_login_data
def pic_info():
    user = g.user
    if request.method == "GET":
        return render_template("news/user_pic_info.html", data={"user":user.to_dict()})

    # post 表示上传头像
    # 1. 取到上传的照片
    try:
        avatar = request.files.get("avatar").read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

        # 2. 上传头像
    try:
        # 使用自已封装的storage方法去进行图片上传
        key = storage(avatar)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg="上传头像失败")

    # 3. 保存头像地址
    user.avatar_url = key
    return jsonify(errno=RET.OK, errmsg="OK", data={"avatar_url":constants.QINIU_DOMIN_PREFIX+key})


@profile_blu.route('/base_info', methods=['GET', 'POST'])
@user_login_data
def base_info():
    if request.method == 'GET':
        user = g.user
        data = {"user": user.to_dict}
        return render_template('news/user_base_info.html', data=data)

    # post请求，代表修改
    # 1. 获取参数
    nick_name = request.json.get("nick_name")
    signature = request.json.get("signature")
    gender = request.json.get("gender")

    # 2. 校验参数
    if not all([nick_name, signature, gender]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    if gender not in ("WOMAN", "MAN"):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    user = g.user
    user.gender = gender
    user.signature = signature
    user.nick_name = nick_name

    return jsonify(errno=RET.OK, errmsg="OK")


@profile_blu.route('/info')
@user_login_data
def user_info():
    user = g.user
    if not user:
        return redirect('/')
    data = {"user": user.to_dict()}
    return render_template('news/user.html', data=data)